In 2007, the Lillehammer Literature Festival chose Mengele zoo as the best novel written in Norway and it became a true publishing phenomenon. The title of the work is a Brazilian expression that means that a situation is out of control. Nygårdshaug introduces us to Mino, who was born in the South American rainforest. He loves the aromas, the sounds, the diversity of life. The young man is dedicated to looking for the rarest butterflies together with his father, but his small community is being severely affected by the main oil companies that want to exploit the rainforest... Based on the author's experiences when he lived in the Latin American rainforest, this work masterfully combines an exuberant narrative with the crime thriller.